BOOST SURFING | BOOST FIN
A totally new way of paddling. Enjoy longer sessions and catch three times more waves with this awesome electric fin from Boost Surfing. It fits most boards, plus fin joint adapters are available as accessories.
The 800-watt Boost Surfing Fin provides a turbocharged motor thrust and speeds up to 17 km/h, letting surfers of all experience levels make the most out of every swell and surf session by helping them paddle faster and longer.
Feel the freedom of exploration with the SUP Assistance mode that lasts up to 100 minutes.
Forget about the weather and enjoy your session in any conditions with the wind/current resistance mode for up to 40 minutes
When you just want to relax, drop the paddle and use Trolling mode for up to 70 minutes to enjoy a restful ride
A hug variety of fin adaptors lets you fit the Boost Fin to any paddle board or surfboard.
Experience surfing like never before with the Boost Surfing Fin! The accompanying Boost Surf App allows you to easily customize the motor power and boost duration of your fin for an unbeatable surfing experience.
Review By Flipping Dust
STREAMLINED
Propeller pitch, blade surface, and feathering prop are all designed to reduce drag and resistance to a minimum.
Lightweight
At only 2.7 lb (nearly 1200g), you’ll hardly feel it.
SHOCKINGLY RESISTANT
Ready for rough seas, your Boost Fin's shock-resistant body is designed to take some hits.
Boost Fin Plus with Folding Propeller
Overview
The Boost Fin Plus is a motorised fin for surfboards, SUPs and kayaks that gives you extra power on the water. Whether you’re catching more waves, cruising longer, or battling tough currents and wind, this fin delivers an effortless boost. The Plus version features an upgraded folding propeller design for smoother performance and reduced drag.
Key Features
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Folding Propeller: Reduces drag when the motor isn’t running and helps prevent seaweed or debris jams.
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Strong Thrust & Speed: Delivers up to 20 lbs of thrust with a top motor speed of around 18 km/h.
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Optimised Battery & Runtime: Upgraded 3,500 mAh lithium-ion battery for around 15% longer ride time.
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Universal Fit: Compatible with most boards via adapter kits, including Longboard, Slide-In (SUP), FCS, Futures, and Soft Top.
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Remote Control & App: Operate via waterproof wrist remote or use the Boost Surfing app to customise boost modes and settings.
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Durable Build: Reinforced outer shell and coating for protection against rocks, sand and saltwater.
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Easy Installation: Mounts in minutes — just swap it with your regular fin using the included adapter kit.
Specifications
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Weight: 1.4 kg
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Dimensions: 267 × 229 × 89 mm
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Battery: 3,500 mAh lithium-ion
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Maximum Thrust: 20 lbs
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Top Speed: 18 km/h (conditions dependent)
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Waterproof Rating: IPX8 (up to 10 m depth)
What’s in the Box
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Boost Fin Plus motorised fin
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Longboard adapter (US fin box)
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Waterproof wrist remote
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Wall charger (100–240 V) with international plug adapters
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Mounting kit with tools and screws
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User manual and app instructions
Who It’s For
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Surfers who want an easier paddle-out and more waves per session.
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SUP and kayak riders who want help fighting wind or current.
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Casual riders who value endurance and comfort over high-performance manoeuvrability.
Pros & Cons
Pros
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Powerful assist for paddling and wave catching
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Universal fit across board types
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Folding propeller eliminates unnecessary drag
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Easy to install and use
Cons
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Heavier than a standard fin (1.4 kg)
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May slightly reduce manoeuvrability on performance boards
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Battery life varies by rider weight and water conditions
Usage & Maintenance Tips
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Rinse with fresh water after saltwater use to prevent corrosion.
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Fully charge the battery before each session and every few weeks during storage.
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Use the app to choose between short or long boost modes to suit your conditions.
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Securely tighten all adapter screws and check before each ride.